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Routing Table Report 00:00 GMT Sun 13 Aug, 2006
Analysis Summary ----------------
BGP routing table entries examined: 208613 Prefixes after maximum aggregation: 108775 Unique aggregates announced to Internet: 95257 Total ASes present in the Internet Routing Table: 22918 Origin-only ASes present in the Internet Routing Table: 19847 Origin ASes announcing only one prefix: 9507 Transit ASes present in the Internet Routing Table: 3071 Transit-only ASes present in the Internet Routing Table: 83 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 26 Max AS path prepend of ASN (34569) 21 Prefixes from unregistered ASNs in the Routing Table: 46 Unregistered ASNs in the Routing Table: 17 Special use prefixes present in the Routing Table: 7 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1579555581 Equivalent to 94 /8s, 38 /16s and 26 /24s Percentage of available address space announced: 42.6 Percentage of allocated address space announced: 61.6 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 107597
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 43968 Total APNIC prefixes after maximum aggregation: 17585 Prefixes being announced from the APNIC address blocks: 41557 Unique aggregates announced from the APNIC address blocks: 18658 APNIC Region origin ASes present in the Internet Routing Table: 2672 APNIC Region origin ASes announcing only one prefix: 749 APNIC Region transit ASes present in the Internet Routing Table: 413 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC addresses announced to Internet: 244529284 Equivalent to 14 /8s, 147 /16s and 56 /24s Percentage of available APNIC address space announced: 76.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 109704 Total ARIN prefixes after maximum aggregation: 60151 Prefixes being announced from the ARIN address blocks: 81689 Unique aggregates announced from the ARIN address blocks: 27279 ARIN Region origin ASes present in the Internet Routing Table: 10890 ARIN Region origin ASes announcing only one prefix: 4087 ARIN Region transit ASes present in the Internet Routing Table: 1065 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 299152929 Equivalent to 17 /8s, 212 /16s and 182 /24s Percentage of available ARIN address space announced: 77.5
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 40425 Total RIPE prefixes after maximum aggregation: 26375 Prefixes being announced from the RIPE address blocks: 37754 Unique aggregates announced from the RIPE address blocks: 24368 RIPE Region origin ASes present in the Internet Routing Table: 8399 RIPE Region origin ASes announcing only one prefix: 4387 RIPE Region transit ASes present in the Internet Routing Table: 1385 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 261565152 Equivalent to 15 /8s, 151 /16s and 42 /24s Percentage of available RIPE address space announced: 82.1
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-41983 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 12131 Total LACNIC prefixes after maximum aggregation: 3729 Prefixes being announced from the LACNIC address blocks: 10224 Unique aggregates announced from the LACNIC address blocks: 5903 LACNIC Region origin ASes present in the Internet Routing Table: 711 LACNIC Region origin ASes announcing only one prefix: 237 LACNIC Region transit ASes present in the Internet Routing Table: 134 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 31902464 Equivalent to 1 /8s, 230 /16s and 203 /24s Percentage of available LACNIC address space announced: 47.5
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 2340 Total AfriNIC prefixes after maximum aggregation: 935 Prefixes being announced from the AfriNIC address blocks: 1603 Unique aggregates announced from the AfriNIC address blocks: 977 AfriNIC Region origin ASes present in the Internet Routing Table: 163 AfriNIC Region origin ASes announcing only one prefix: 47 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 4205824 Equivalent to 0 /8s, 64 /16s and 45 /24s Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4134 1294 7930 240 CHINANET-BACKBONE 4755 964 255 66 Videsh Sanchar Nigam Ltd. Aut 9583 946 109 15 Sify Limited 9498 785 211 70 BHARTI BT INTERNET LTD. 4766 726 4435 306 Korea Telecom (KIX) 1221 648 1779 478 Telstra Pty Ltd 4538 604 2717 31 China Education and Research 17488 522 32 18 Hathway IP Over Cable Interne 17676 491 7109 111 Softbank BB Corp. 7545 459 123 58 TPG Internet Pty Ltd 9443 450 111 83 Primus Telecommunications 18101 436 85 22 Reliance Infocom Ltd Internet 17849 412 30 123 Telecommunications Technology 4812 404 643 57 China Telecom (Shanghai) 17974 379 129 12 PT TELEKOMUNIKASI INDONESIA 4802 378 82 166 Wantree Development 7474 358 211 230 SingTel Optus Pty Ltd 17557 358 29 169 Pakistan Telecom 2907 339 1733 312 SINET Japan 9929 313 198 38 China Netcom Corp.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 614 1947 440 UUNET - Commercial IP service 3215 401 1760 97 France Telecom Transpac 3301 315 1186 300 TeliaNet Sweden 3320 295 5013 239 Deutsche Telekom AG 8220 285 471 268 COLT Telecommunications 24863 248 42 10 LINKdotNET AS number 680 247 2041 244 DFN-IP service G-WiN 6746 244 91 222 Dynamic Network Technologies, 3246 233 462 223 Song Networks 5089 230 1657 45 NTL Group Limited 1257 224 742 168 SWIPnet Swedish IP Network 8708 215 278 203 Romania Data Systems S.A. 8551 202 182 27 Bezeq International 3269 201 2246 72 TELECOM ITALIA 30890 200 18 83 SC Kappa Invexim SRL 6830 195 879 43 UPC Distribution Services 8866 190 37 15 Bulgarian Telecommunication C 5416 181 12 7 BATELCO-BH 3300 173 171 97 AUCS Communications Services 786 172 1779 172 The JANET IP Service
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 5001 6780 786 UUNET Technologies, Inc. 4323 3195 747 275 Time Warner Telecom 705 1497 558 655 UUNET Technologies, Inc. 7018 1489 6267 958 AT&T WorldNet Services 174 1131 5769 889 Cogent Communications 6197 1017 636 478 BellSouth Network Solutions, 721 1002 21942 311 DLA Systems Automation Center 18566 954 272 8 Covad Communications 2386 942 559 712 AT&T Data Communications Serv 1239 846 2813 600 Sprint 7046 822 250 680 UUNET Technologies, Inc. 20115 728 651 384 Charter Communications 19262 726 2216 185 Verizon Global Networks 11492 723 90 16 Cable One 209 684 3660 538 Qwest 22773 684 1744 42 Cox Communications, Inc. 7011 676 221 431 Citizens Utilities 6461 603 228 82 AboveNet Communications, Inc. 852 597 1068 383 Telus Advanced Communications 6198 595 554 237 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3195 2920 Time Warner Telecom 4134 1294 1054 CHINANET-BACKBONE 18566 954 946 Covad Communications 9583 946 931 Sify Limited 4755 964 898 Videsh Sanchar Nigam Ltd. Aut 705 1497 842 UUNET Technologies, Inc. 9498 785 715 BHARTI BT INTERNET LTD. 11492 723 707 Cable One 721 1002 691 DLA Systems Automation Center 22773 684 642 Cox Communications, Inc. 8151 800 576 UniNet S.A. de C.V. 4538 604 573 China Education and Research 19262 726 541 Verizon Global Networks 6197 1017 539 BellSouth Network Solutions, 7018 1489 531 AT&T WorldNet Services 6461 603 521 AboveNet Communications, Inc. 5668 540 521 CenturyTel Internet Holdings, 19916 563 509 OLM LLC 17488 522 504 Hathway IP Over Cable Interne 855 568 494 Canadian Research Network
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65333 PRIVATE 1.0.0.0/8 23342 UnitedLayer, Inc. 64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati 65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat 65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati 64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli 65101 PRIVATE 84.16.28.0/24 12956 Telefonica Data Auto 65101 PRIVATE 84.16.29.0/24 12956 Telefonica Data Auto 65101 PRIVATE 84.16.30.0/24 12956 Telefonica Data Auto 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65350 PRIVATE 124.236.0.0/19 17672 asn for Hebei Provin 65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 65000 PRIVATE 193.109.15.0/24 12690 MKS Autonomous Syste 65014 PRIVATE 203.117.240.0/21 4657 Starhub Internet, Si 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65010 PRIVATE 212.2.12.160/28 8190 VIATEL 64565 PRIVATE 212.111.35.128/27 4513 PFM Communications, 65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 64560 PRIVATE 213.219.53.192/26 4513 PFM Communications, 65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma 64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio 64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio 65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin 65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin 65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin 65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin 65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 0.0.0.0/8 3303 Swisscom Ltd 0.0.0.0/0 702 UUNET - Commercial IP service 172.16.2.32/27 6325 Illinois Century Network 172.16.2.80/28 6325 Illinois Century Network 172.31.31.0/30 6325 Illinois Century Network 192.0.2.0/24 812 Rogers WAVE 192.168.83.0/24 292 Energy Sciences Network
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 1.0.0.0/8 65333 PRIVATE ASN 2.2.2.0/24 64666 PRIVATE ASN 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.84.205.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:9 /10:11 /11:28 /12:97 /13:213 /14:376 /15:737 /16:8978 /17:3460 /18:5680 /19:12337 /20:14032 /21:12457 /22:15941 /23:17285 /24:114654 /25:470 /26:453 /27:302 /28:228 /29:201 /30:540 /31:0 /32:104
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3738 5001 UUNET Technologies, Inc. 4323 1897 3195 Time Warner Telecom 705 946 1497 UUNET Technologies, Inc. 18566 937 954 Covad Communications 6197 798 1017 BellSouth Network Solutions, 7018 782 1489 AT&T WorldNet Services 9583 777 946 Sify Limited 11492 711 723 Cable One 2386 660 942 AT&T Data Communications Serv 7046 584 822 UUNET Technologies, Inc. 7011 582 676 Citizens Utilities 19916 557 563 OLM LLC 4766 537 726 Korea Telecom (KIX) 6461 531 603 AboveNet Communications, Inc. 2686 516 561 IBM 9498 466 785 BHARTI BT INTERNET LTD. 855 442 568 Canadian Research Network 6198 441 595 BellSouth Network Solutions, 15270 424 455 PaeTec.net -a division of Pae 5668 421 540 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:9 8:50 12:1631 13:1 15:15 16:3 17:3 18:4 20:41 24:815 25:1 30:2 32:268 38:265 40:52 41:9 44:3 45:12 47:6 52:4 55:1 56:3 57:54 58:213 59:279 60:188 61:946 62:957 63:3393 64:3562 65:3660 66:3815 67:659 68:679 69:1585 70:391 71:87 72:873 74:72 75:5 80:779 81:717 82:712 83:409 84:410 85:595 86:395 87:463 88:156 89:393 91:1 121:13 122:3 123:1 124:341 125:597 128:162 129:199 130:122 131:313 132:35 133:8 134:164 135:48 136:178 137:86 138:215 139:136 140:491 141:135 142:396 143:187 144:239 145:40 146:318 147:145 148:350 149:190 150:114 151:96 152:74 153:117 154:6 155:214 156:180 157:172 158:167 159:173 160:94 161:86 162:217 163:164 164:281 165:229 166:182 167:242 168:603 169:125 170:351 171:14 190:127 192:5837 193:3422 194:2807 195:2173 196:895 198:4028 199:3369 200:4637 201:1054 202:6950 203:7084 204:4073 205:2138 206:2810 207:3578 208:3022 209:3838 210:2264 211:886 212:1353 213:1509 214:368 215:41 216:4367 217:1368 218:347 219:277 220:749 221:381 222:242
End of report
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